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When did the Sydney Opera House open?
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Sydney
Harbour Bridge, Sydney.
The Sydney Opera House held its grand opening on October 20, 1973.1
Although construction began in 1959, the project faced significant delays and cost overruns, missing its original target opening date of January 26, 1963. Following the resignation of architect Jørn Utzon in 1966, the building was completed under the supervision of a new team of architects and engineers in September 1973, shortly before its official opening the following month.21